Rainier, Washington, United States of America: What to pack, what to wear, and when to go [2022]

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Traveling to Rainier, Washington, United States of America? If you're planning to go to Rainier, we've got some important information about when to go, what to wear, and what to pack.

Contents

About your travel guide

Hi! I'm Dev. I've traveled all over the world and in my travels, I have made many packing lists. In this series, my team and I have compiled the most useful information, as well as things we couldn't live without, to help you plan your trip.


When to go to Rainier, Washington, United States of America

Based on the climate and weather in Rainier, the best time to go is August. See below for details.

Important essentials for Rainier, Washington, United States of America

Here are some general tips on what to wear in Rainier, as well as several items to remember to pack when traveling there.

IMPORTANT COVID-19 ESSENTIALS

Other health necessities


  • Travel first aid kit

    This one is a great choice.


  • Emergency rapid COVID-19 test

    U.S. residents can get them free here. Otherwise, you can buy them here.


  • Emergency motion sickness relief

Don't forget these

Activities for Rainier, Washington, United States of America

Here are some activity recommendations and activity-specific packing tips for Rainier.

What to wear/what to pack for Rainier, Washington, United States of America by month

Already know when you're traveling?

January

January in Rainier can be very chilly and very rainy. Temperatures average in the high 40s F (single digits C) during the day. It rains about half of the time.

What to wear/what to pack:

February

February in this region can be very chilly and somewhat rainy. Temperatures average in the low 50s F (low 10s C) during the day. It rains about half of the time.

What to wear/what to pack:

March

If you visit Rainier during March, you are likely to find that it is cool and very rainy. Temperatures tend to hover around the high 50s F (mid 10s C) during the day, while at night they can dip into the low 30s F (single digits C). Humidity is generally around 60 during the day. In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

April

If you vacation in Rainier during April, you are likely to find that it is cool and somewhat rainy. Temperatures tend to hover around the low 60s F (mid 10s C) during the day, while at night they can dip into the low 40s F (single digits C). Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

May

May in Rainier is mild and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 60s F (low 20s C), although night temperatures can dip into the low 40s F (single digits C).

What to wear/what to pack:

June

Traveling to Rainier in June, you will notice that it is warm. Expect it to rain 5-10 days this month. Daytime temperatures are in the 70s F (low 20s C).

What to wear/what to pack:

July

Traveling to Rainier in July, you will notice that it is pretty consistently hot and dry with little rain. Expect it to rain sometimes. Daytime temperatures are in the low 80s F (high 20s C).

What to wear/what to pack:

August

Traveling to Rainier in August, you will notice that it is hot and dry with little rain. Expect it to rain occasionally. Daytime temperatures are in the low 80s F (high 20s C).

What to wear/what to pack:

September

If you vacation in Rainier during September, you might see that it is warm. Temperatures tend to hover around the 70s F (mid 20s C) during the day, while at night they can dip into the low 50s F (low 10s C). Humidity is generally between 40 and 50% during the day. In terms of precipitation, you can expect it to rain about a third of the time.

What to wear/what to pack:

October

October here is cool and somewhat rainy. Temperatures average in the 60s F (high 10s C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

November

November in this region can be very chilly and very rainy. Temperatures average in the low 50s F (low 10s C) during the day. It rains about half of the time.

What to wear/what to pack:

December

If you go to Rainier in December, you will notice that it is pretty cool and very rainy. Expect it to rain about two thirds of the time. Daytime temperatures are in the 40s F (single digits C).

What to wear/what to pack:

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